import { login, logout, getInfo,status } from '@/api/user'
import { getToken, setToken, removeToken } from '@/utils/auth'
import { resetRouter } from '@/router'

const getDefaultState = () => {
  return {
    token: getToken(),
    name: '',
    avatar: ''
  }
}

const state = getDefaultState()

const mutations = {
  RESET_STATE: (state) => {
    Object.assign(state, getDefaultState())
  },
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_NAME: (state, name) => {
    state.name = name
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  }
}

const actions = {
  // user login
  getStatus({ commit }) {
    return new Promise((resolve, reject) => {
      console.log('Sending status request');
      status().then(statusResponse => {
        const captcha_code = statusResponse.code; // 假设验证码在 response.data.captcha_code 中
        resolve(captcha_code);
      }).catch(statusError => {
        console.error('Status error:', statusError);
        reject(statusError);
      });
    });
  },

  // user login
  login({ commit }, userInfo) {
    const { username, password } = userInfo;
    return new Promise((resolve, reject) => {
      // 调用 getStatus action 获取验证码
      this.dispatch('user/getStatus')
        .then(captcha_code => {
          console.log('Sending login request with captcha:', captcha_code);
          login({ username: username.trim(), password: password, captcha_code: captcha_code }).then(response => {
            console.log('Login response:', response);
            const { data } = response;
            commit('SET_TOKEN', data.token);
            setToken(data.token);
            resolve();
          }).catch(error => {
            console.error('Login error:', error);
            reject(error);
          });
        })
        .catch(statusError => {
          console.error('Failed to get status:', statusError);
          reject(statusError);
        });
    });
  },

  // get user info
  getInfo({ commit, state }) {
    return new Promise((resolve, reject) => {
      getInfo(state.token).then(response => {
        const { data } = response

        if (!data) {
          return reject('Verification failed, please Login again.')
        }

        const { name, avatar } = data

        commit('SET_NAME', name)
        commit('SET_AVATAR', avatar)
        resolve(data)
      }).catch(error => {
        reject(error)
      })
    })
  },

  // user logout
  logout({ commit, state }) {
    return new Promise((resolve, reject) => {
      logout(state.token).then(() => {
        removeToken() // must remove  token  first
        resetRouter()
        commit('RESET_STATE')
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // remove token
  resetToken({ commit }) {
    return new Promise(resolve => {
      removeToken() // must remove  token  first
      commit('RESET_STATE')
      resolve()
    })
  }
}

export default {
  namespaced: true,
  state,
  mutations,
  actions
}

